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Finding the Fourth Proportional to 351,353.77, 484,869.75 and 190,208.80

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Solution

The fourth proportional to 351,353.77, 484,869.75 and 190,208.80 is: 262,488.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,353.77 : 484,869.75 = 190,208.80 : x
  2. Step 2: Convert to fraction form
    351,353.77/484,869.75 = 190,208.80/x
  3. Step 3: Cross multiply
    351,353.77x = 484,869.75 × 190,208.80
  4. Step 4: Simplify right side
    351,353.77x = 92,226,493,303.80
  5. Step 5: Solve for x
    x = 92,226,493,303.80/351,353.77
  6. Step 6: Final answer
    x = 262,488.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.